a collection of related things intended for use together; "took a battery of achievement tests"一緒に使うようになっている関連する物の集まり一連
例:took a battery of achievement tests 一連の学力テストを受けた
a unit composed of the pitcher and catcherピッチャーとキャッチャーで構成されるユニットバッテリー
a device that produces electricity; may have several primary or secondary cells arranged in parallel or series電気を発生させる装置電池
the heavy fire of artillery to saturate an area rather than hit a specific target; "they laid down a barrage in front of the advancing troops"; "the shelling went on for hours without pausing"特定の対象に当てるというより、むしろ地域に集中砲火を浴びせるための大砲の激しい発砲雨霰